Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof withgraphical user interface, showing our new design; and,

FIG. 2 is a front view thereof.

The broken lines showing the display screen portion in FIG. 1 and thedisplay device and portions of the graphical user interface in FIG. 2form no part of the claimed design.

CLAIM The ornamental design for a display screen or portion thereof withgraphical user interface, as shown and described.